Home / 15,987.18-23,970.38-6,624.66

Finding the Fourth Proportional to 15,987.18, 23,970.38 and 6,624.66

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Solution

The fourth proportional to 15,987.18, 23,970.38 and 6,624.66 is: 9,932.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.18 : 23,970.38 = 6,624.66 : x
  2. Step 2: Convert to fraction form
    15,987.18/23,970.38 = 6,624.66/x
  3. Step 3: Cross multiply
    15,987.18x = 23,970.38 × 6,624.66
  4. Step 4: Simplify right side
    15,987.18x = 158,795,617.57
  5. Step 5: Solve for x
    x = 158,795,617.57/15,987.18
  6. Step 6: Final answer
    x = 9,932.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.